Polygonaceae

Wirestem buckwheat

Eriogonum pharnaceoides Torr.

Family: Polygonaceae
Genus: Eriogonum

Pet and kid safety: not checked yet. Check pet-safe plants

Wirestem buckwheat (Eriogonum pharnaceoides) — FlowerPhoto: Elizabeth LaGro, CC0, from iNaturalist

Is yours looking unwell? Scan your plant — free

Common names

By language (1)

English: Wirestem buckwheat

Synonyms

Eriogonum arizonicum Gand.
Eriogonum pharnaceoides var. pharnaceoides

Flowers

In flower: August to September (from 38 flowering iNaturalist observations worldwide)

Characteristics

Growth habit: Forb/herb
Lifespan: Annual
In the US and Canada: Lower 48 states: native

Photos

FlowerPhoto: Elizabeth LaGro, CC0, from iNaturalist
FlowerPhoto: Mary Lata, CC BY 4.0, from iNaturalist
Photo: Andrew Tree, CC BY 4.0, from iNaturalist
Photo: Andrew Tree, CC BY 4.0, from Wikimedia Commons
Photo: Matt Berger, CC BY 4.0, from iNaturalist
Photo: Matt Berger, CC BY 4.0, from Wikimedia Commons
Photo: Matt Berger, CC BY 4.0, from iNaturalist
Photo: Matt Berger, CC BY 4.0, from iNaturalist
Photo: Matt Berger, CC BY 4.0, from iNaturalist
Photo: william_hoyer, CC BY 4.0, from iNaturalist
Photo: Kenzie Anderson-Bell, CC BY 4.0, from iNaturalist
Photo: Andrew Tree, CC BY 4.0, from iNaturalist

More in Eriogonum

Sources: classification, synonyms from World Flora Online Plant List (2026-06, CC0 1.0); common names, popularity from Wikidata (2026-10-26, CC0 1.0); common names, US characteristics from USDA PLANTS Database (2025-05-29, CC0 1.0). About our plant data.